Home / 39,505.67-54,522.95-22,515.99

Finding the Fourth Proportional to 39,505.67, 54,522.95 and 22,515.99

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Solution

The fourth proportional to 39,505.67, 54,522.95 and 22,515.99 is: 31,074.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505.67 : 54,522.95 = 22,515.99 : x
  2. Step 2: Convert to fraction form
    39,505.67/54,522.95 = 22,515.99/x
  3. Step 3: Cross multiply
    39,505.67x = 54,522.95 × 22,515.99
  4. Step 4: Simplify right side
    39,505.67x = 1,227,638,196.97
  5. Step 5: Solve for x
    x = 1,227,638,196.97/39,505.67
  6. Step 6: Final answer
    x = 31,074.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.